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2026-04-21 - 05:33
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Tue Apr 21, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23530216492,7sleep30-21swapper/319:05:153
28057212364,6sleep20-21swapper/219:07:192
27944212127,7sleep00-21swapper/019:05:520
281492115105,7sleep10-21swapper/119:08:301
105012920,1sleep310507-21kthreadcore00:05:173
283422690,1sleep128345-21sed20:05:161
50542650,1sleep35061-21kthreadcore20:40:193
73212630,0sleep10-21swapper/122:10:151
149942630,0sleep30-21swapper/322:45:123
318332560,1sleep20-21swapper/222:00:192
255412560,0sleep00-21swapper/019:30:240
86382540,0sleep10-21swapper/122:40:141
211282540,0sleep00-21swapper/022:20:190
2844299301,28cyclictest0-21swapper/220:47:232
2844299281,26cyclictest0-21swapper/221:20:112
2844299281,26cyclictest0-21swapper/221:20:112
2844299270,26cyclictest0-21swapper/222:36:332
2844299270,26cyclictest0-21swapper/220:40:542
2844299270,26cyclictest0-21swapper/219:38:192
2843599270,26cyclictest0-21swapper/019:43:010
2843599270,26cyclictest0-21swapper/000:08:580
2843599270,26cyclictest0-21swapper/000:03:210
28442992623,2cyclictest0-21swapper/220:00:502
28442992522,2cyclictest0-21swapper/222:24:592
2844299250,19cyclictest0-21swapper/220:16:372
28442992417,7cyclictest0-21swapper/222:15:032
28442992417,7cyclictest0-21swapper/221:05:542
28442992319,3cyclictest0-21swapper/223:10:512
28442992315,7cyclictest0-21swapper/221:29:482
28442992315,7cyclictest0-21swapper/221:29:472
2844299231,4cyclictest0-21swapper/222:06:112
2844299231,21cyclictest0-21swapper/200:05:072
2843999231,21cyclictest0-21swapper/122:04:331
2843999231,21cyclictest0-21swapper/121:00:421
2843999231,21cyclictest0-21swapper/120:59:261
2843999231,21cyclictest0-21swapper/120:53:391
2843999231,21cyclictest0-21swapper/120:45:501
2843999231,21cyclictest0-21swapper/120:20:341
2843999231,21cyclictest0-21swapper/119:43:581
2843999231,21cyclictest0-21swapper/119:25:431
2843999231,21cyclictest0-21swapper/119:20:041
2843999231,21cyclictest0-21swapper/100:02:431
2843999230,22cyclictest0-21swapper/119:51:161
2843599230,22cyclictest0-21swapper/020:38:570
317162220,1sleep331715-21munin-run21:35:003
2844299220,21cyclictest0-21swapper/223:56:012
2844299220,21cyclictest0-21swapper/221:33:352
2843999221,20cyclictest0-21swapper/123:51:461
2843999221,20cyclictest0-21swapper/121:23:391
2843999221,20cyclictest0-21swapper/121:23:381
2843999220,3cyclictest0-21swapper/123:44:221
2843999220,21cyclictest0-21swapper/123:37:361
2843999220,21cyclictest0-21swapper/123:31:551
2843999220,21cyclictest0-21swapper/123:22:491
2843999220,21cyclictest0-21swapper/123:14:361
2843999220,21cyclictest0-21swapper/123:02:251
2843999220,21cyclictest0-21swapper/122:55:421
2843999220,21cyclictest0-21swapper/122:50:311
2843999220,21cyclictest0-21swapper/122:33:111
2843999220,21cyclictest0-21swapper/122:19:291
2843999220,21cyclictest0-21swapper/122:06:291
2843999220,21cyclictest0-21swapper/121:37:201
2843999220,21cyclictest0-21swapper/121:08:231
2843999220,21cyclictest0-21swapper/120:44:021
2843999220,21cyclictest0-21swapper/120:12:591
2843999220,21cyclictest0-21swapper/119:58:221
2843999220,21cyclictest0-21swapper/119:45:201
2843999220,21cyclictest0-21swapper/119:37:281
2843999220,21cyclictest0-21swapper/100:38:131
2843999220,21cyclictest0-21swapper/100:23:371
28435992218,3cyclictest749-21snmpd21:44:090
2843599220,21cyclictest0-21swapper/023:52:430
2844299217,9cyclictest0-21swapper/221:10:112
2844299212,17cyclictest0-21swapper/222:30:162
28442992119,2cyclictest0-21swapper/222:52:402
28442992119,2cyclictest0-21swapper/219:46:042
28442992119,2cyclictest0-21swapper/200:32:572
28442992119,1cyclictest0-21swapper/219:27:312
2844299210,20cyclictest8-21rcu_preempt22:42:042
2844299210,20cyclictest0-21swapper/223:42:282
2844299210,20cyclictest0-21swapper/221:55:562
2844299210,20cyclictest0-21swapper/220:10:372
28439992117,3cyclictest0-21swapper/122:35:331
2843999210,20cyclictest0-21swapper/123:05:251
2843999210,20cyclictest0-21swapper/122:46:121
2843999210,20cyclictest0-21swapper/122:26:211
2843999210,20cyclictest0-21swapper/122:21:301
2843999210,20cyclictest0-21swapper/121:59:181
2843999210,20cyclictest0-21swapper/121:47:211
2843999210,20cyclictest0-21swapper/121:40:381
2843999210,20cyclictest0-21swapper/121:12:231
2843999210,20cyclictest0-21swapper/120:37:121
2843999210,20cyclictest0-21swapper/120:01:461
2843999210,20cyclictest0-21swapper/119:32:281
2843999210,20cyclictest0-21swapper/119:15:311
2843999210,20cyclictest0-21swapper/119:10:401
2843999210,20cyclictest0-21swapper/100:17:181
28435992119,1cyclictest749-21snmpd21:01:240
2843599210,20cyclictest0-21swapper/023:25:040
2843599210,20cyclictest0-21swapper/023:22:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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